What does the "<<-" operator mean?
On Thu, Apr 21, 2011 at 9:59 PM, Thomas Lumley <tlumley at uw.edu> wrote:
The Evil and Wrong use is to modify variables in the global environment.
I'm a bit at a loss. Why is it so wrong and evil? In other words, how should one modify variables in the global environment? Through the use of return()? Regards Liviu